Sweat saves blood, blood saves lives, but brains saves both.
Which would your men rather be, tired, or dead?
Winning the men's confidence requires much of a commander. He must exercise care and caution, look after his men, live under the same hardships, and-above all- apply self discipline. But once he has their confidence, his men will follow him through hell and high water.
I would rather be the hammer than the anvil
When there's no clear option, it's better to do nothing.
Anyone who has to fight, even with the most modern weapons, against an enemy in complete command of the air, fights like a savage against modern European troops, under the same handicaps and with the same chances of success.